body,
html {
  width: 100%;
  height: 100%;
}
.banner {
  width: 100%;
  /* 最大宽度 */
  max-width: 640px;
  /* 最小宽度 */
  min-width: 320px;
  margin: 0 auto;
  position: relative;
  overflow: hidden;
}
.banner .bannerImg {
  width: 1000%;
  position: relative;
}
.banner .bannerImg > li {
  width: 10%;
  float: left;
}
.banner .bannerImg > li img {
  width: 100%;
  display: block;
}
.banner .bannerIndicator {
  width: 128px;
  height: 10px;
  position: absolute;
  left: 50%;
  bottom: 5px;
  transform: translateX(-50%);
}
.banner .bannerIndicator > li {
  width: 6px;
  height: 6px;
  border-radius: 3px;
  border: 1px solid #fff;
  float: left;
  margin-left: 10px;
}
.banner .bannerIndicator > li:first-of-type {
  margin-left: 0;
}
.banner .bannerIndicator > li.active {
  background-color: #fff;
}
